Gravi-Goo

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Gravi-Goo

Order now at http://www.stevespanglerscience.com/search?sSearch=gravi-goo&sClass=Prod... Everyone knows that water can't flow uphill. Not so fast... when this goo is poured back and forth between two beakers, Gravi-Goo mysteriously siphons from the higher held beaker to the lower one. Maybe water can flow uphill. You have to play with the stuff to believe it.

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